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72739825301 = 11213177973413
BaseRepresentation
bin100001110111110100…
…0011010011010010101
320221202100210222121202
41003233220122122111
52142432343402201
653225522522245
75153363212343
oct1035750323225
9227670728552
1072739825301
112893780a400
1212120506385
136b22c66260
143740854993
151d5ae10c6b
hex10efa1a695

72739825301 has 48 divisors (see below), whose sum is σ = 91310051952. Its totient is φ = 57360906240.

The previous prime is 72739825297. The next prime is 72739825309. The reversal of 72739825301 is 10352893727.

It can be written as a sum of positive squares in 8 ways, for example, as 3386076100 + 69353749201 = 58190^2 + 263351^2 .

It is not a de Polignac number, because 72739825301 - 22 = 72739825297 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72739825309) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 21310871 + ... + 21314283.

It is an arithmetic number, because the mean of its divisors is an integer number (1902292749).

Almost surely, 272739825301 is an apocalyptic number.

It is an amenable number.

72739825301 is a deficient number, since it is larger than the sum of its proper divisors (18570226651).

72739825301 is a wasteful number, since it uses less digits than its factorization.

72739825301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4262 (or 4251 counting only the distinct ones).

The product of its (nonzero) digits is 635040, while the sum is 47.

The spelling of 72739825301 in words is "seventy-two billion, seven hundred thirty-nine million, eight hundred twenty-five thousand, three hundred one".

Divisors: 1 11 13 17 121 143 187 221 797 1573 2057 2431 3413 8767 10361 13549 26741 37543 44369 58021 96437 113971 149039 176137 412973 488059 638231 754273 1253681 1639429 1937507 2720161 5368649 7020541 8297003 21312577 29921771 35362093 46242737 91267033 329139481 388983023 508670107 601155581 4278813253 5595371177 6612711391 72739825301